Exheredludis/paludis/tar_merger.hh
2011-06-21 20:37:18 +01:00

100 lines
3.7 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2010, 2011 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PALUDIS_GUARD_PALUDIS_TAR_MERGER_HH
#define PALUDIS_GUARD_PALUDIS_TAR_MERGER_HH 1
#include <paludis/tar_merger-fwd.hh>
#include <paludis/util/timestamp.hh>
#include <paludis/merger.hh>
namespace paludis
{
namespace n
{
typedef Name<struct name_compression> compression;
typedef Name<struct name_environment> environment;
typedef Name<struct name_fix_mtimes_before> fix_mtimes_before;
typedef Name<struct name_get_new_ids_or_minus_one> get_new_ids_or_minus_one;
typedef Name<struct name_image> image;
typedef Name<struct name_install_under> install_under;
typedef Name<struct name_maybe_output_manager> maybe_output_manager;
typedef Name<struct name_merged_entries> merged_entries;
typedef Name<struct name_no_chown> no_chown;
typedef Name<struct name_options> options;
typedef Name<struct name_permit_destination> permit_destination;
typedef Name<struct name_root> root;
typedef Name<struct name_tar_file> tar_file;
}
/**
* Parameters for a basic TarMerger.
*
* \see Merger
* \ingroup g_repository
* \nosubgrouping
* \since 0.51
*/
struct TarMergerParams
{
NamedValue<n::compression, TarMergerCompression> compression;
NamedValue<n::environment, Environment *> environment;
NamedValue<n::fix_mtimes_before, Timestamp> fix_mtimes_before;
NamedValue<n::get_new_ids_or_minus_one, std::function<std::pair<uid_t, gid_t> (const FSPath &)> > get_new_ids_or_minus_one;
NamedValue<n::image, FSPath> image;
NamedValue<n::install_under, FSPath> install_under;
NamedValue<n::maybe_output_manager, std::shared_ptr<OutputManager> > maybe_output_manager;
NamedValue<n::merged_entries, std::shared_ptr<FSPathSet> > merged_entries;
NamedValue<n::no_chown, bool> no_chown;
NamedValue<n::options, MergerOptions> options;
NamedValue<n::permit_destination, PermitDestinationFn> permit_destination;
NamedValue<n::root, FSPath> root;
NamedValue<n::tar_file, FSPath> tar_file;
};
class PALUDIS_VISIBLE TarMerger :
public Merger
{
private:
Pimp<TarMerger> _imp;
protected:
virtual FSPath canonicalise_root_path(const FSPath & f);
virtual void add_file(const FSPath &, const FSPath &);
virtual void track_install_file(const FSPath &, const FSPath &) = 0;
virtual void track_install_sym(const FSPath &, const FSPath &) = 0;
public:
TarMerger(const TarMergerParams &);
~TarMerger();
virtual void on_file_main(bool is_check, const FSPath &, const FSPath &);
virtual void on_dir_main(bool is_check, const FSPath &, const FSPath &);
virtual void on_sym_main(bool is_check, const FSPath &, const FSPath &);
virtual void prepare_install_under();
virtual void merge();
};
}
#endif